Archlinux Urgent Chroot

In case of failure, here is the savior :

loadkeys fr
cryptsetup luksOpen /dev/nvme0n1p5 luks
opts=defaults,noatime,nodiratime,ssd,compress=zstd
mount -o $opts,subvol=@ /dev/mapper/vg-arch /mnt
mount -o $opts,subvol=@/home /dev/mapper/vg-arch /mnt/home
mount -o $opts,subvol=@/var /dev/mapper/vg-arch /mnt/var
mount -o $opts,subvol=@/var/log /dev/mapper/vg-arch /mnt/var/log
mount -o $opts,subvol=@/var/cache/pacman/pkg /dev/mapper/vg-arch /mnt/var/cache/pacman/pkg
mount /dev/sdX1 /mnt/boot
arch-chroot /mnt